It started happening today; the pressure only reaches 4 bar, instead of its usual 8 bar.
I have tried adjusting the grind from the usual setting of 2.2 on the built-in grinder, all the way through to 5, with no effect.
Suggestions please.
I have tried adjusting the grind from the usual setting of 2.2 on the built-in grinder, all the way through to 5, with no effect.
Suggestions please.

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